ArticlePloS one2019
Genetic diversity and linkage disequilibrium using SNP (KASP) and AFLP markers in a worldwide durum wheat (Triticum turgidum L. var durum) collection.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed.
- Genome-wide association studies reveal genomic regions for kernel-related traits in durum wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Genetic Diversity and Population Structure of Primary Tritipyrum Lines in Comparison with Bread Wheat Varieties and Triticale Lines using SCoT Markers.Iranian journal of biotechnology · 2024Article
- Development of KASP markers, SNP fingerprinting and population genetic analysis ofFrontiers in plant science · 2024Article
- Genetic diversity, linkage disequilibrium, and population structure of tetraploid wheat landraces originating from Europe and Asia.BMC genomics · 2023Article
- Chromosome-Level Genome Assembly and Population Genomic Analyses Reveal Geographic Variation and Population Genetic Structure ofInternational journal of molecular sciences · 2023Article
- Phenotypic evolution in durum wheat (Frontiers in plant science · 2023Article
- Harnessing genome-wide genetic diversity, population structure and linkage disequilibrium in Ethiopian durum wheat gene pool.Frontiers in plant science · 2023Article
- Population structure, allelic variation at Rht-B1 and Ppd-A1 loci and its effects on agronomic traits in Argentinian durum wheat.Scientific reports · 2022Article
- Metabolomic Fingerprinting and Molecular Characterization of the Rock Samphire Germplasm Collection from the Balkan Botanic Garden of Kroussia, Northern Greece.Plants (Basel, Switzerland) · 2022Article
- Genome-wide Association Study for Starch Pasting Properties in Chinese Spring Wheat.Frontiers in genetics · 2022Article
- Marker-trait association analyses revealed major novel QTLs for grain yield and related traits in durum wheat.Frontiers in plant science · 2022Article
- Formation of Potential Heterotic Groups of Oat Using Variation at Microsatellite Loci.Plants (Basel, Switzerland) · 2021Article
- Genome-wide approaches for the identification of markers and genes associated with sugarcane yellow leaf virus resistance.Scientific reports · 2021Article
- Linkage disequilibrium patterns, population structure and diversity analysis in a worldwide durum wheat collection including Argentinian genotypes.BMC genomics · 2021Article
- Functional gene assessment of bread wheat: breeding implications in Ningxia Province.BMC plant biology · 2021Article
- Evaluation of genetic structure in European wheat cultivars and advanced breeding lines using high-density genotyping-by-sequencing approach.BMC genomics · 2021Article
- Agronomic, Physiological and Genetic Changes Associated With Evolution, Migration and Modern Breeding in Durum Wheat.Frontiers in plant science · 2021Article
- The Global Durum Wheat Panel (GDP): An International Platform to Identify and Exchange Beneficial Alleles.Frontiers in plant science · 2020Article
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5 authors.
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Abstract
The aim of this work was to analyze the genetic diversity and linkage disequilibrium in a collection of 168 durum wheat accessions (Triticum turgidum L. var. durum) of different origins. Our collection was mainly composed of released and unreleased Argentinian germplasm, with additional genotypes from Italy, Chile, France, CIMMYT, Cyprus, USA and WANA region. To this end, the entire collection was characterized with 85 Single Nucleotide Polymorphism (SNP) markers obtained by Kompetitive Allele Specific PCR (KASP), giving a heterozygosity (He) mean value of 0.183 and a coefficient of genetic differentiation (Gst) value of 0.139. A subset of 119 accessions was characterized with six Amplified Fragment Length Polymorphism (AFLP) primer combinations. A total of 181 polymorphic markers (125 AFLP and 56 SNP) amplified across this subset revealed He measures of 0.352 and 0.182, respectively. Of these, 134 were selected to estimate the genome-wide linkage disequilibrium obtaining low significant values (r2 = 0.11) in the subset, indicating its suitability for future genome-wide association studies (GWAS). The structure analysis conducted in the entire collection with SNP detected two subpopulations. However, the structure analysis conducted with AFLP markers in the subset of 119 accessions proved to have greater degree of resolution and detect six subpopulations. The information provided by both marker types was complementary and showed a strong association between old Argentinian and Italian germplasm and a contribution of CIMMYT germplasm to modern Argentinian, Chilean and Cypriot accessions. The influence of Mediterranean germplasm, mainly from Italy, on part of the modern Argentinian cultivars or breeding lines was also clearly evidenced. Although our analysis yields conclusive results and useful information for association mapping studies, further analyses are needed to refine the number of subpopulations present in the germplasm collection analyzed.
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